May weather forecastPolena, Bulgaria

May

Weather in May

The last month of the spring, May, is a refreshing month in Polena, Bulgaria, with an average temperature ranging between max 19.3°C (66.7°F) and min 6.7°C (44.1°F).

Temperature

The beginning of May signals a minor rise in the average high-temperature, moving from a moderate 14.8°C (58.6°F) in April to a still refreshing 19.3°C (66.7°F). Polena registers a significant drop in temperature in May, with average nighttime lows of 6.7°C (44.1°F).

Humidity

In May, the average relative humidity is 70%.

Rainfall

In May, the rain falls for 17.7 days. Throughout May, 46mm (1.81") of precipitation is accumulated. In Polena, during the entire year, the rain falls for 142.3 days and collects up to 418mm (16.46") of precipitation.

Snowfall

May through October are months without snowfall.

Daylight

The average length of the day in May in Polena is 14h and 34min.
On the first day of May, sunrise is at 06:23 and sunset at 20:26. On the last day of the month, sunrise is at 05:55 and sunset at 20:55 EEST.

Sunshine

The average sunshine in May in Polena is 11h.

UV index

In Polena, the average daily maximum UV index in May is 4. A UV Index estimate of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV rays for the average person.
Note: The maximum UV index of 4 during May leads to these instructions:
Heed the precautions - Protecting the skin and eyes from damage is compulsory. Around midday, solar radiation is most harmful; hence, exposure should be limited. Prioritize a wide-brim hat for comprehensive sun defense for your face, neck, eyes, and ears.

Updated: Feb 3, 2024
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

The high-temperature, in May, in Polena, records 19.3°C (66.7°F), while the low-temperature is 6.7°C (44.1°F).

The average relative humidity in May in Polena, Bulgaria, is 70%.

In Polena, Bulgaria, in May, it is raining for 17.7 days, with typically 46mm (1.81") of accumulated precipitation.

In Polena, Bulgaria, snow does not fall in May through October.

In May, in Polena, it doesn't snow. April is the latest month when it typically snows.

The average day length in May is 14h and 34min.

On the first day of May, sunrise is at 06:23 and sunset at 20:26. On the last day of the month, sunrise is at 05:55 and sunset at 20:55 EEST.

The average sunshine duration in May in Polena is 11h.

In May, the average daily maximum UV index in Polena is 4. A UV Index estimate of 3 to 5 represents a moderate vulnerability from exposure to Sun's UV rays.

Today

Tomorrow

Long-term

Year J F M A May J J A S O N D

Apr

May

Jun

Average high temperature

14.8°C

19.3°C

23.7°C

Average low temperature

Average pressure

Average wind speed

Average max. wind speed

8.7km/h

8.8km/h

7.8km/h

Average wind speed gusts

Average humidity

Average rainfall

Average rainfall days

Average snowfall

Average snowfall days

Average daylight

Average sunshine

Average sunshine days

12.8

9.7

10.3

Average UV index

Average cloud cover

Average visibility

Average temperature in May
Polena, Bulgaria

Average high temperature in May: 19.3°C

The warmest month (with the highest average high temperature) is August (27.7°C).
The month with the lowest average high temperature is January (3°C).

Average low temperature in May: 6.7°C

The month with the highest average low temperature is August (12.6°C).
The coldest month (with the lowest average low temperature) is January (-4.4°C).

Average pressure in May
Polena, Bulgaria

Average pressure in May: 1013.9mbar

The month with the highest atmospheric pressure is December (1020.7mbar).
The months with the lowest atmospheric pressure are May, June and July (1013.9mbar).

Average wind speed in May
Polena, Bulgaria

Average wind speed in May: 7.8km/h

The windiest month (with the highest average wind speed) is March (8.8km/h).
The calmest month (with the lowest average wind speed) is August (6.7km/h).

Average humidity in May
Polena, Bulgaria

Average humidity in May: 70%

The month with the highest relative humidity is January (83%).
The month with the lowest relative humidity is August (58%).

Average rainfall in May
Polena, Bulgaria

Average rainfall in May: 46mm

The wettest month (with the highest rainfall) is June (58mm).
The driest month (with the least rainfall) is October (21mm).

Average rainfall days in May
Polena, Bulgaria

Average rainfall days in May: 17.7 days

The month with the highest number of rainy days is May (17.7 days).
The month with the least rainy days is November (7.8 days).

Average snowfall in May
Polena, Bulgaria

Average snowfall in May: 0mm

The month with the highest snowfall is February (67mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).

Average snowfall days in May
Polena, Bulgaria

Average snowfall days in May: 0 days

The month with the highest number of snowfall days is January (5.5 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).

Average daylight in May /
Average sunshine in May
Polena, Bulgaria

Average daylight in May: 14h and 36min

The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 12min).

Average sunshine in May: 11h and 0min

The month with the most sunshine is August (Average sunshine: 11h and 36min).
The months with the least sunshine are January and December (Average sunshine: 6h and 0min).

Average sunshine days in May
Polena, Bulgaria

Average sunshine days in May: 9.7 days

The month with the most sunshine days is November (20.5 days).
The month with the least sunshine days is May (9.7 days).

Average UV index in May
Polena, Bulgaria

Average UV index in May: 4

The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).